91146135 has 16 divisors (see below), whose sum is σ = 153509760. Its totient is φ = 46052640.

The previous prime is 91146119. The next prime is 91146149. The reversal of 91146135 is 53164119.

It is not a de Polignac number, because 91146135 - 2⁴ = 91146119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159621 + ... + 160190.

It is an arithmetic number, because the mean of its divisors is an integer number (9594360).

Almost surely, 2^91146135 is an apocalyptic number.

91146135 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

91146135 is a deficient number, since it is larger than the sum of its proper divisors (62363625).

91146135 is a wasteful number, since it uses less digits than its factorization.

91146135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319838.

The product of its digits is 3240, while the sum is 30.

The square root of 91146135 is about 9547.0484967868. The cubic root of 91146135 is about 450.0347874341.

The spelling of 91146135 in words is "ninety-one million, one hundred forty-six thousand, one hundred thirty-five".